On October 31st at midnight, the Devil cursed the world and opened the gates of Hell. Only Van Helsing can save humanity by defeating the Devil's minions and reversing the curse before dawn. Van Helsing enters the Underworld through a dark cave, fighting creatures like Cyberus and ghosts. He acquires magical items to battle the Devil's army of goblins. In the final fight, Van Helsing uses an invisible shield and magic sword to behead the Devil, lifting the curse and saving the world.